

public class Demo6{
    public static void main(String[] args) throws InterruptedException {
        Thread t =new Thread(()->{
            while(true){
                System.out.println("thread00");
                try {
                    Thread.sleep(1000);
                } catch (InterruptedException e) {
                    e.printStackTrace();
                }
            }
        });

        t.start();
        while(true){
            System.out.println("main00");
            Thread.sleep(1000);
        }
    }
}
